Cryotherapy -BEATS-RF Ablation Trial


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 12-006030
    NCT ID: NCT01882478
    Sponsor Protocol Number: 12-006030

About this study

The purpose of this study is to determine whether cryotherapy is effective in the treatment of persistent high grade dysplasia (HGD) or early esophageal adenocarcinoma (IMCA) in patients who have not responded to radiofrequency ablation (RFA).

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  • Age > 18 years old
  • Able to provide informed consent
  • Patients with unifocal or multifocal BE with HGD or IMCA who have failed at least 2 serial RFA therapy.
  • Patients who refused esophagectomy or deemed inoperable or whose BE dysplasia is not amenable to endoscopic mucosal resection (EMR) treatment alone due to: (1) extensive multifocal lesions (2) severe coagulopathy or any medical condition deemed high risk for EMR (3) patient refuses EMR
  • Patients with a nodular BE lesions may undergo clinically-indicated EMR and still be eligible for enrollment as long as they have BE-HGD lesion/s that are still candidate for ablative treatment

Exclusion Criteria:

  • Age younger than 18 years old
  • Life expectancy less than 12 months
  • Pregnancy
  • Presence of esophageal varices
  • Esophageal stricture precluding passage of an endoscope and suction tubing
  • Any procedure that has impeded normal gastric emptying or limited gastric volume distention, including but not limited to gastric bypass, stomach stapling, gastrojejunostomy or any disease state has significantly reduced the elasticity in the GI tract (e.g. Marfan's syndrome, Scleroderma or any Connective Tissue Disease)
  • Esophageal cancer (T2 and above)

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Kenneth Wang, M.D.

Open for enrollment

Contact information:

Lori Lutzke CCRP



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